Inclusive |V_cb| and global fit

Details Inclusive |V_cb| and global fit Inclusive |V_cb| and global fit

2009-03-21

arxiv.org/abs/0903.3648v1

Physics

High Energy Physics

High Energy Physics - Experiment

invited talk at the Heavy Quarks and Leptons, Melbourne, 2008, 5 pages, 3 figures

Scientific paper

A reliable determination of the Cabibbo-Kobayashi-Maskawa matrix element $|V_{cb}|$ is mandatory for precision flavor physics and for the search for CP violating phases from new, heavy particles. In this article, we review the theory of the determination of $|V_{cb}|$ from inclusive semileptonic $B$ decays. We discuss the available measurements of the semileptonic $B$ branching fraction and other inclusive observables in B decays relevant to the determination of $|V_{cb}|$. Finally, we perform a global fit to extract $|V_{cb}|$ and the $b$-quark mass $m_b$.

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